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CVE-2026-63102— rConfig Core < 8.2.8 Privilege Escalation via Users API role field

Quick assessment

Affected
rConfig rConfig v8 Core
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

rConfig rConfig v8 Core是rConfig组织的一款服务器操作系统配置管理工具。 rConfig Core 8.2.8之前版本存在输入验证错误漏洞，该漏洞源于通过Users API提交未经验证的role字段导致权限提升，攻击者可以利用缺失的允许列表验证和缺少的admin级别授权检查，将Admin角色直接分配给User模型，从而访问特权功能。

CVSS 5.4 · Medium EPSS 0.33% · P26

Affected Version Matrix 1

VendorProduct Version RangeStatus
rConfig rConfig v8 Core < 8.2.8 affected
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I. Basic Information for CVE-2026-63102

Vulnerability Information
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Vulnerability Title
rConfig Core < 8.2.8 Privilege Escalation via Users API role field
Source: CVE Program / CVE List V5
Vulnerability Description
rConfig Core before 8.2.8 contains a privilege escalation vulnerability that allows authenticated users to assign arbitrary roles to any account by submitting an unvalidated role field through the Users API during user creation or profile updates. Attackers can exploit the missing allowlist validation and absent admin-level authorization check in StoreUserRequest to mass-assign the Admin role directly to the User model, granting access to privileged features. rConfig Pro and Enterprise are not affected.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-915
Source: CVE Program / CVE List V5
Vulnerability Title
rConfig v8 Core 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
rConfig rConfig v8 Core是rConfig组织的一款服务器操作系统配置管理工具。 rConfig Core 8.2.8之前版本存在输入验证错误漏洞，该漏洞源于通过Users API提交未经验证的role字段导致权限提升，攻击者可以利用缺失的允许列表验证和缺少的admin级别授权检查，将Admin角色直接分配给User模型，从而访问特权功能。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
rConfig rConfig v8 Core 0 ~ 8.2.8 -

II. Public POCs for CVE-2026-63102

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III. Intelligence Information for CVE-2026-63102

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Patches & Fixes for CVE-2026-63102 (2)

Vendor Advisories for CVE-2026-63102 (1)

Vendor Pages for CVE-2026-63102 (1)

IV. Related Vulnerabilities

Same vendor: rConfig
Same weakness: CWE-915

V. Comments for CVE-2026-63102

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